Analysis: Coinbase's (COIN) Brian Armstrong Made Prediction Markets Look Dumb. Bill Ackman Made Them Look Real

In a recent analysis, it was observed that Brian Armstrong, the CEO of Coinbase (COIN), expressed opinions that rendered prediction markets seemingly less credible or ineffective in their assessments. In contrast, renowned investor Bill Ackman has successfully demonstrated the practical utility and effectiveness of these markets, lending them a sense of legitimacy and realism. This dynamic highlights the varying perceptions and impacts of influential figures in the financial world on the reputation and functionality of prediction markets. source: https://www.coindesk.com/markets/2025/10/31/analysis-coinbase-s-coin-brian-armstrong-made-prediction-markets-look-dumb-bill-ackman-made-them-look-real